Home / 40,465.20-55,842.21-22,561.32

Finding the Fourth Proportional to 40,465.20, 55,842.21 and 22,561.32

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Solution

The fourth proportional to 40,465.20, 55,842.21 and 22,561.32 is: 31,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.20 : 55,842.21 = 22,561.32 : x
  2. Step 2: Convert to fraction form
    40,465.20/55,842.21 = 22,561.32/x
  3. Step 3: Cross multiply
    40,465.20x = 55,842.21 × 22,561.32
  4. Step 4: Simplify right side
    40,465.20x = 1,259,873,969.32
  5. Step 5: Solve for x
    x = 1,259,873,969.32/40,465.20
  6. Step 6: Final answer
    x = 31,134.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.